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import sys
import traceback
import windows
from conf import conf
class ConsoleWriter:
__slots__ = ['window']
def __init__(self, window):
self.window = window
def write(self, text):
try:
self.window.write(text, line_ending='')
except:
self.window.write(traceback.format_exc())
class ConsoleWindow(windows.SimpleWindow):
def __init__(self, network, id):
windows.SimpleWindow.__init__(self, network, id)
writer = ConsoleWriter(self)
sys.stdout = writer
sys.stderr = writer
self.globals = {'window': self}
self.locals = {}
#this prevents problems (and updates an open console window) on reload
#window = None
#for window in manager:
# if type(window).__name__ == "ConsoleWindow":
# window.mutate(ConsoleWindow, window.network, window.id)
#del window
def onClose(e):
if isinstance(e.window, ConsoleWindow):
sys.stdout = sys.__stdout__
sys.stderr = sys.__stderr__
def onCommandConsole(e):
windows.new(ConsoleWindow, None, "console").activate()
def onCommandSay(e):
if isinstance(e.window, ConsoleWindow):
import pydoc #fix nonresponsive help() command
old_pager, pydoc.pager = pydoc.pager, pydoc.plainpager
e.window.globals.update(sys.modules)
text = ' '.join(e.args)
try:
e.window.write(">>> %s" % text)
result = eval(text, e.window.globals, e.window.locals)
if result is not None:
e.window.write(repr(result))
e.window.globals['_'] = result
except SyntaxError:
try:
exec text in e.window.globals, e.window.locals
except:
traceback.print_exc()
except:
traceback.print_exc()
pydoc.pager = old_pager
else:
raise core.events.CommandError("There's no one here to speak to.")
def onStart(e):
if conf.get('start-console'):
windows.new(ConsoleWindow, None, "console")
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